For a while they used improved B versions, what Dennis calls New B, Embryonic C and Neonatal C, regarding the language evolution.
https://www.bell-labs.com/usr/dmr/www/chist.html
For a while they used improved B versions, what Dennis calls New B, Embryonic C and Neonatal C, regarding the language evolution.
https://www.bell-labs.com/usr/dmr/www/chist.html